a5f30c925b
When probing event device in secondary process skip reinitializing
the device data structure as it is already done in primary process.
When removing event device in secondary process skip closing the
event device as it should be done by primary process.
Fixes: 322d0345c2 ("eventdev: implement PMD registration functions")
Cc: stable@dpdk.org
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
140 lines
2.8 KiB
C
140 lines
2.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2016-2017 Cavium, Inc
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*/
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#ifndef _RTE_EVENTDEV_PMD_PCI_H_
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#define _RTE_EVENTDEV_PMD_PCI_H_
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/** @file
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* RTE Eventdev PCI PMD APIs
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*
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* @note
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* These API are from event PCI PMD only and user applications should not call
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* them directly.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <string.h>
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#include <rte_config.h>
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#include <rte_eal.h>
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#include <rte_lcore.h>
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#include <rte_pci.h>
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#include <rte_bus_pci.h>
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#include "rte_eventdev_pmd.h"
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typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
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/**
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* @internal
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* Wrapper for use by pci drivers as a .probe function to attach to a event
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* interface.
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*/
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static inline int
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rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
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struct rte_pci_device *pci_dev,
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size_t private_data_size,
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eventdev_pmd_pci_callback_t devinit)
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{
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struct rte_eventdev *eventdev;
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char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
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int retval;
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if (devinit == NULL)
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return -EINVAL;
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rte_pci_device_name(&pci_dev->addr, eventdev_name,
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sizeof(eventdev_name));
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eventdev = rte_event_pmd_allocate(eventdev_name,
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pci_dev->device.numa_node);
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if (eventdev == NULL)
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return -ENOMEM;
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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eventdev->data->dev_private =
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rte_zmalloc_socket(
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"eventdev private structure",
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private_data_size,
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RTE_CACHE_LINE_SIZE,
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rte_socket_id());
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if (eventdev->data->dev_private == NULL)
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rte_panic("Cannot allocate memzone for private "
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"device data");
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}
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eventdev->dev = &pci_dev->device;
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/* Invoke PMD device initialization function */
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retval = devinit(eventdev);
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if (retval == 0)
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return 0;
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RTE_EDEV_LOG_ERR("driver %s: (vendor_id=0x%x device_id=0x%x)"
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" failed", pci_drv->driver.name,
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(unsigned int) pci_dev->id.vendor_id,
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(unsigned int) pci_dev->id.device_id);
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rte_event_pmd_release(eventdev);
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return -ENXIO;
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}
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/**
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* @internal
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* Wrapper for use by pci drivers as a .remove function to detach a event
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* interface.
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*/
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static inline int
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rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
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eventdev_pmd_pci_callback_t devuninit)
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{
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struct rte_eventdev *eventdev;
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char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
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int ret = 0;
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if (pci_dev == NULL)
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return -EINVAL;
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rte_pci_device_name(&pci_dev->addr, eventdev_name,
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sizeof(eventdev_name));
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eventdev = rte_event_pmd_get_named_dev(eventdev_name);
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if (eventdev == NULL)
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return -ENODEV;
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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ret = rte_event_dev_close(eventdev->data->dev_id);
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if (ret < 0)
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return ret;
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}
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/* Invoke PMD device un-init function */
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if (devuninit)
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ret = devuninit(eventdev);
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if (ret)
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return ret;
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/* Free event device */
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rte_event_pmd_release(eventdev);
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eventdev->dev = NULL;
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_EVENTDEV_PMD_PCI_H_ */
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